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'Batman vs. Superman' director Zack Snyder took to his Twitter account Tuesday (May 13) to reveal to fans the design of the Batmobile that will be used in his movie, as well as the costume to be worn by Batman actor Ben Affleck. (@ZackSnyder)

Director Zack Snyder is a man of his word. A day after teasing fans with a Tweeted-out photo of a tarp-covered Batmobile from the set of his "Man of Steel" sequel, "Batman vs. Superman," and by the words "Could be time to pull off the tarp ... Tomorrow?," the filmmaker has delivered.

Snyder took to his Twitter account again midday Tuesday to post another shot, this one with the tarp removed and -- surprise! -- a costumed Batman standing alongside. Snyder doesn't say specifically that it's new "Batman" actor Ben Affleck in the costume, which like the Batmobile is being revealed for the first time, but a close inspection reveals that if it's not Affleck, then it's someone with an uncannily similar chin dimple.

Both photos are shot in artful black-and-white, and the new one is certainly a more revealing image than its predecessor, but it's still somewhat coy, as Snyder's framing -- and some mood-setting smoke -- obscure much of the car. Still, it's tantalizing stuff given how few details have been revealed about the super-secret production.

"Batman vs. Superman" -- which is technically a working title for the yet-untitled film -- will be shot largely in Michigan and Illinois. Affleck stars, alongside actor Henry Cavill, reprising his "Man of Steel" role as Superman. Also in the cast: Gal Gadot as Wonder Woman, Amy Adams as Lois Lane, Jesse Eisenberg as Lex Luthor and Jeremy Irons as Alfred.

Snyder and studio Warner Bros. have been largely mum on other details of the production. "Batman vs. Superman" is due for release on May 6, 2016.